• Corpus ID: 239050087

Nudging-based data assimilation of the turbulent flow around a square cylinder

  title={Nudging-based data assimilation of the turbulent flow around a square cylinder},
  author={Markus Zauner and Vincent Mons and Olivier Marquet and Benjamin Leclaire},
We investigate the prediction of the turbulent flow around a canonical square cylinder at Re = 22000 solving the unsteady Reynolds-averaged Navier-Stokes (URANS) equations. The limitations of URANS modelling are overcome through the application of a data assimilation technique involving a feedback control term, allowing to drive the URANS predictions towards reference data. Using regularly-spaced temporally-resolved reference data that are extracted from DNS, we assess the abilities of the data… 


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